Resolve "Release v0.1"

Closes #10 (closed), #7 (closed)

features/adapter_broadcast.feature

     When the auth method is called
     When a mock notify API response is configured to return an error
     When the broadcast method is called
-    Then an error response is returned with status 403
\ No newline at end of file
+    Then an error response is returned with status 403
+
+  Scenario: On 403 the message is retried once with new credentials 
+    Given valid config 
+    When the adapter instance is created 
+    When the auth method is called 
+    When a mock notify API response is configured to return an error 
+    When the broadcast method is called 
+    Then an error response is returned with status 403 
+    Then the credentials are deleted
+    Then the broadcast method was called with is_retry on
+    Then the getAuthorizationHeader method is called 
+    
+  Scenario: On a retried 403 the message is not retried again
+    Given valid config 
+    When the adapter instance is created 
+    When the auth method is called 
+    When a mock notify API response is configured to return an error 
+    When the broadcast method is called with is_retry on
+    Then an error response is returned with status 403
+    Then the credentials are deleted 
+    Then the broadcast method is not called again

features/adapter_poll.feature

     When a mock receive API response is configured to return an error
     When the poll method is called 
     Then an error response is returned with status 403
+
+  Scenario: On 403 the message is retried once with new credentials 
+    Given valid config 
+    When the adapter instance is created 
+    When the auth method is called 
+    When a mock receive API response is configured to return an error 
+    When the publish method is called 
+    Then an error response is returned with status 403 
+    Then the credentials are deleted
+    Then the receive method was called with is_retry on
+    Then the getAuthorizationHeader method is called 
+    
+  Scenario: On a retried 403 the message is not retried again
+    Given valid config 
+    When the adapter instance is created 
+    When the auth method is called 
+    When a mock receive API response is configured to return an error 
+    When the receive method is called with is_retry on
+    Then an error response is returned with status 403
+    Then the credentials are deleted 
+    Then the receive method is not called again